html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
strong,
sub,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
td,
th,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video{
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
  box-sizing: border-box;
}
blockquote::before,
blockquote::after,
q:before,
q:after{
  content: '';
  content: none;
}
a,
a:hover{
  color: inherit;
  text-decoration: none;
}
table{
  border-collapse: collapse;
  border-spacing: 0;
}
html,body{
  width: 100%;
  height: 100%;
  background-color: #f5f5f5;

}
body{
  overflow: hidden;
}

.fl{
  float: left;
}
.fr{
  float: right;
  .button-group-item{
    padding-left: 3px;
  }
}

.clearfix{
  zoom: 1;
  &::after{
    display: block;
    clear: both;
    content: "";
    visibility: hidden;
    height: 0;
  }
}